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Nancy Gao was the newly elected Secretary-General of the United Nations after the UN-MCR War ended[1].


After the UN-MCR War, then-incumbent UN Secretary-General Esteban Sorrento-Gillis lost his campaign for re-election to Nancy Gao[2].

Nancy Gao disappeared during the bombardment of Earth at the beginning of the Free Navy Conflict and was presumed killed[3]. At which point, Chrisjen Avasarala became UN Secretary-General Pro Temporare.


  1. The Expanse Novel: Abaddon's Gate
  2. The Expanse Novel: Abaddon's Gate
  3. The Expanse Novel: Nemesis Games